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Cheap flights from Washington, D.C. Dulles Intl Airport to Brussels from $255

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Washington, D.C. Dulles Intl Airport to Brussels departing on 2/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Washington, D.C. Dulles Intl Airport to Brussels

Cheap round-trip flights

Enter your travel dates to find the best prices.
Scandinavian Airlines Logo
8:30 pm - 7:50 pm
IAD
-
BRU
17h 20m
1 stop
Scandinavian Airlines Logo
8:30 pm - 5:15 pm
BRU
-
IAD
26h 45m
1 stop
$476Scandinavian Airlines
Wed, Feb 18 - Tue, Feb 24
Scandinavian Airlines Logo
8:20 pm - 8:30 pm
IAD
-
BRU
18h 10m
2 stops
Scandinavian Airlines Logo
9:20 pm - 4:50 pm
BRU
-
IAD
25h 30m
2 stops
$477Scandinavian Airlines
Wed, Apr 8 - Sun, Apr 19
Scandinavian Airlines Logo
8:30 pm - 9:40 am
IAD
-
BRU
31h 10m
1 stop
Scandinavian Airlines Logo
8:30 pm - 4:50 pm
BRU
-
IAD
26h 20m
1 stop
$478Scandinavian Airlines
Sat, Feb 28 - Tue, Mar 31
Scandinavian Airlines Logo
8:30 pm - 6:40 pm
IAD
-
BRU
16h 10m
2 stops
Scandinavian Airlines Logo
10:20 am - 5:15 pm
BRU
-
IAD
12h 55m
1 stop
$479Scandinavian Airlines
Mon, Feb 2 - Mon, Feb 9
Scandinavian Airlines Logo
8:30 pm - 6:40 pm
IAD
-
BRU
16h 10m
2 stops
Scandinavian Airlines Logo
10:20 am - 6:15 pm
BRU
-
IAD
12h 55m
1 stop
$483Scandinavian Airlines
Wed, Mar 4 - Mon, Mar 9
Scandinavian Airlines Logo
8:30 pm - 6:40 pm
IAD
-
BRU
16h 10m
2 stops
Scandinavian Airlines Logo
10:20 am - 5:15 pm
BRU
-
IAD
12h 55m
1 stop
$485Scandinavian Airlines
Thu, Feb 5 - Thu, Feb 12
Aer Lingus Logo
6:05 pm - 9:35 am
IAD
-
BRU
10h 30m
1 stop
Aer Lingus Logo
10:15 am - 8:30 pm
BRU
-
IAD
15h 15m
1 stop
$488Aer Lingus
Tue, Mar 10 - Fri, Mar 20
Scandinavian Airlines Logo
8:20 pm - 2:35 pm
IAD
-
BRU
12h 15m
1 stop
Scandinavian Airlines Logo
10:20 am - 4:50 pm
BRU
-
IAD
12h 30m
1 stop
$490Scandinavian Airlines
Sat, Apr 11 - Thu, Apr 23
Scandinavian Airlines Logo
8:30 pm - 10:50 am
IAD
-
BRU
56h 20m
2 stops
Scandinavian Airlines Logo
11:20 am - 4:50 pm
BRU
-
IAD
35h 30m
2 stops
$493Scandinavian Airlines
Sat, Feb 28 - Tue, Mar 31
Multiple Airlines Logo
6:00 pm - 9:50 pm
IAD
-
CRL
21h 50m
2 stops
Multiple Airlines Logo
3:30 pm - 8:54 pm
CRL
-
IAD
35h 24m
3 stops
$615Multiple Airlines
Sun, Jan 25 - Mon, Feb 2

Scandinavian Airlines flights from Washington, D.C. Dulles Intl Airport to Brussels

Our best Scandinavian Airlines deals on Washington, D.C. Dulles Intl Airport to Brussels flight tickets
Scandinavian Airlines
Feb 18
IAD8:30 pmWashington, D.C. Dulles Intl
17h 20m
1 stop
BRU7:50 pmBrussels Bruxelles-National
Feb 24
BRU8:30 pmBrussels Bruxelles-National
26h 45m
1 stop
IAD5:15 pmWashington, D.C. Dulles Intl
$476
Scandinavian Airlines
Apr 8
IAD8:20 pmWashington, D.C. Dulles Intl
18h 10m
2 stops
BRU8:30 pmBrussels Bruxelles-National
Apr 19
BRU9:20 pmBrussels Bruxelles-National
25h 30m
2 stops
IAD4:50 pmWashington, D.C. Dulles Intl
$477
Scandinavian Airlines
Feb 28
IAD8:30 pmWashington, D.C. Dulles Intl
31h 10m
1 stop
BRU9:40 amBrussels Bruxelles-National
Mar 31
BRU8:30 pmBrussels Bruxelles-National
26h 20m
1 stop
IAD4:50 pmWashington, D.C. Dulles Intl
$478

Aer Lingus flights from Washington, D.C. Dulles Intl Airport to Brussels

Our best Aer Lingus deals on Washington, D.C. Dulles Intl Airport to Brussels flight tickets
Aer Lingus
Jan 26
IAD5:05 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BRU9:35 amBrussels Bruxelles-National
Jan 29
BRU10:15 amBrussels Bruxelles-National
11h 20m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$471
Aer Lingus
Mar 10
IAD6:05 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BRU9:35 amBrussels Bruxelles-National
Mar 20
BRU10:15 amBrussels Bruxelles-National
15h 15m
1 stop
IAD8:30 pmWashington, D.C. Dulles Intl
$488
Aer Lingus
Jan 31
IAD5:05 pmWashington, D.C. Dulles Intl
10h 30m
1 stop
BRU9:35 amBrussels Bruxelles-National
Feb 6
BRU10:15 amBrussels Bruxelles-National
11h 20m
1 stop
IAD3:35 pmWashington, D.C. Dulles Intl
$519

momondo Fare Finder

 
Customize your flight search to find flights from Washington, D.C. Dulles Intl Airport to Brussels that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated January 15, 2026.
Use the filters below to find and compare flights from Washington, D.C. Dulles Intl Airport to Brussels that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 2/18

8:30 pm-7:50 pm

1 stop17h 20m

Brussels Bruxelles-National

Tue 2/24

8:30 pm-5:15 pm

1 stop26h 45m

$476

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 4/8

8:20 pm-8:30 pm

2 stops18h 10m

Brussels Bruxelles-National

Sun 4/19

9:20 pm-4:50 pm

2 stops25h 30m

$477

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 2/28

8:30 pm-9:40 am

1 stop31h 10m

Brussels Bruxelles-National

Tue 3/31

8:30 pm-4:50 pm

1 stop26h 20m

$478

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Mon 2/2

8:30 pm-6:40 pm

2 stops16h 10m

Brussels Bruxelles-National

Mon 2/9

10:20 am-5:15 pm

1 stop12h 55m

$479

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Wed 3/4

8:30 pm-6:40 pm

2 stops16h 10m

Brussels Bruxelles-National

Mon 3/9

10:20 am-6:15 pm

1 stop12h 55m

$483

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Thu 2/5

8:30 pm-6:40 pm

2 stops16h 10m

Brussels Bruxelles-National

Thu 2/12

10:20 am-5:15 pm

1 stop12h 55m

$485

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Tue 3/10

6:05 pm-9:35 am

1 stop10h 30m

Brussels Bruxelles-National

Fri 3/20

10:15 am-8:30 pm

1 stop15h 15m

$488

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 4/11

8:20 pm-2:35 pm

1 stop12h 15m

Brussels Bruxelles-National

Thu 4/23

10:20 am-4:50 pm

1 stop12h 30m

$490

Washington, D.C.Brussels

IAD - BRU

IADBRU

Washington, D.C. Dulles Intl

Sat 2/28

8:30 pm-10:50 am

2 stops56h 20m

Brussels Bruxelles-National

Tue 3/31

11:20 am-4:50 pm

2 stops35h 30m

$493

Washington, D.C.Brussels

IAD - CRL

IADCRL

Washington, D.C. Dulles Intl

Sun 1/25

6:00 pm-9:50 pm

2 stops21h 50m

Charleroi Brussels

Mon 2/2

3:30 pm-8:54 pm

3 stops35h 24m

$615

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Brussels from

How to get the cheapest flight ticket from Washington, D.C. Dulles Intl Airport to Brussels

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Washington, D.C. Dulles Intl Airport and Brussels?

What is the cheapest month to fly to Brussels?

In general, February is the cheapest month to fly from Washington, D.C. Dulles Intl Airport to Brussels. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $605. If you are unable to visit Brussels during the month of February, then departing from Washington, D.C. Dulles Intl Airport during the month September is also very affordable. Most momondo users find prices during this month for around $621.

What is the cheapest day to depart on your flight to Brussels?

On average, the least expensive day to fly to Brussels from Washington, D.C. Dulles Intl Airport is on a Wednesday. momondo users have found tickets for Wednesday departures for as low as $1,049. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Sunday is the most expensive day to depart from Washington, D.C. Dulles Intl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,248.

What is the cheapest Washington, D.C. Dulles Intl to Brussels flight route?

Fly from Washington, D.C. Dulles Intl to Brussels Bruxelles-National for the best Washington, D.C. Dulles Intl - Brussels flight prices

How far in advance should I book a flight to Brussels?

You are more likely to see cheaper flights to Brussels from Washington, D.C. Dulles Intl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Brussels for around $788 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Brussels from Washington, D.C. Dulles Intl Airport for as low as $634 on momondo.

What cabin class options are available on Washington, D.C. Dulles Intl to Brussels flights?

There are 3 cabin classes available to choose from on Washington, D.C. Dulles Intl to Brussels flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Washington, D.C. Dulles Intl Airport to Brussels flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Washington, D.C. Dulles Intl Airport to Brussels

Fastest flight time

7h 30m

Direct flights

Every day

Airports in Brussels

2 airports
The fastest flight from Washington, D.C. Dulles Intl Airport to Brussels takes 7h 30m
Direct flights go from Washington, D.C. Dulles Intl Airport to Brussels every day.
There are 2 airports in Brussels. From Washington, D.C. Dulles Intl Airport there are direct flights to Brussels Bruxelles-National (BRU).
Search flight deals

  • How far is Washington, D.C. Dulles Intl to Brussels by plane?

    There are 3874.4 mi between Washington, D.C. Dulles Intl and Brussels. Typically, this will take 7h 30m by plane in normal conditions.

  • When did momondo last update prices for flights from Washington, D.C. Dulles Intl Airport to Brussels?

    Prices for flights from Washington, D.C. Dulles Intl Airport to Brussels are refreshed on a daily basis.

  • How many operators does momondo search for flights from Washington, D.C. Dulles Intl Airport to Brussels?

  • How old do you have to be to fly from Washington, D.C. Dulles Intl Airport to Brussels?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Washington, D.C. Dulles Intl Airport to Brussels.

  • What documentation or ID do you need to fly to Brussels?

    The necessary travel and health documents for your Brussels trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Washington, D.C. Dulles Intl Airport to Brussels

Compare and see reviews for airlines that fly from Washington, D.C. Dulles Intl Airport to Brussels with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom $333Free CancellationRating
7.1
2,121 reviews
Search TAP AIR PORTUGAL flights
British AirwaysPriceFrom $345Free CancellationRating
6.7
7,680 reviews
Search British Airways flights
Scandinavian AirlinesPriceFrom $408Free CancellationRating
7.3
1,654 reviews
Search Scandinavian Airlines flights
IcelandairPriceFrom $434Free CancellationRating
7.1
596 reviews
Search Icelandair flights
KLMPriceFrom $480Free CancellationRating
7.7
1,440 reviews
Search KLM flights
DeltaPriceFrom $511Free CancellationRating
7.9
8,051 reviews
Search Delta flights
Aer LingusPriceFrom $539Free CancellationRating
7.2
1,435 reviews
Search Aer Lingus flights
Turkish AirlinesPriceFrom $540Free CancellationRating
7.3
4,176 reviews
Search Turkish Airlines flights
United AirlinesPriceFrom $591Free CancellationRating
7.4
9,164 reviews
Search United Airlines flights
Brussels AirlinesPriceFrom $633Free CancellationRating
7.2
380 reviews
Search Brussels Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Washington, D.C. to Brussels?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Washington, D.C. to Brussels for you.

Can I find flights from Washington, D.C. to Brussels with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Washington, D.C. to Brussels flights to just show those with flexible booking policies.

How can momondo help me find flights from Washington, D.C. to Brussels?

momondo helps you find the best flight between Washington, D.C. and Brussels by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Washington, D.C. to Brussels right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Brussels from Washington, D.C.. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Belgium

Fly into one of these airports located in Brussels

Airports listed have a maximum distance of 27.4 mi from Brussels
Brussels Bruxelles-National Airport
Charleroi Brussels Airport